Using Perl v5.20.2 on OpenBSD 5.8.

I've written a management script called by a cron job that pulls values from a database. The ID of each server is represented by the hostname. During periods of network outages, or poor performance otherwise, I've receive the following warning via the cron job:

Use of uninitialized value $host in concatenation (.) or string at /etc/mrtg/testing.pl line 128.

Along with this warning I receive an error from DBI which indicates it couldn't make a connection. That is what leads me to believe it may be related to network errors and performance.

The cron job itself fires off twice a minute with two separate sets of parameters, so it is succeeding >90% of the time. The code itself is fairly simple, and writes status and event logs to /var/log/daemon. When line 128 is being run the daemon log is being updated by my management script. I would post those too, but my newsyslog is a bit aggressive (sorry). The log is being updated normally as we speak, with no errors.

# Perl libraries we need - Please note that Date::Parse is not 
# standard and needs to be installed as of OpenBSD 5.7
use utf8;
use Path::Class;
use strict;
use warnings;
use Time::Piece;
use Date::Parse;
use Socket;
use Sys::Hostname;
use POSIX qw(strftime);
use DBI;
use IO::Socket::INET;
use Storable;
use Storable qw(nstore store_fd nstore_fd freeze thaw dclone);
use IPC::Open2;
use Symbol 'gensym';
use String::Util 'trim';
use Net::SNMP;
use Data::Dumper;

# Get our hostname for C2 operations
our $host = hostname();

# Get our local IP address by connecting to the MRTG Database
our $localip = '';
sub get_local_ip(){
   my $sock = IO::Socket::INET->new(
    PeerAddr=> $mrtgc2,
    PeerPort=> 5432,
    Proto   => "tcp");
  our $localip = '';
  $::localip = $sock->sockhost;
}
get_local_ip();
......
......
......
## The following line is #128 from the above error ##
print $fd $daemon_log_timestamp.' '.our $host.' mrtg[]:['.$log_entry_c
+ategory.']: '.$log_entry.'.'."\n";
[download]

Anybody have an idea as to why the value would be uninitialized? Sys::Hostname uses many methods to get the hostname, so I'm surprised at the error, and stumped about the intermittent nature of it.

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